Extracts a character(s) from subject
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char_at | Access a character from subject at specified position .
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first | Extracts the first length characters from subject .
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grapheme_at | Get a grapheme from subject at specified position .
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last | Extracts the last length characters from subject .
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prune | Truncates subject to a new length and does not break the words. Guarantees that the truncated string is no longer than length .
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slice | Extracts from subject a string from start position up to end position. The character at end position is not included.
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substr | Extracts from subject a string from start position a number of length characters.
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substring | Extracts from subject a string from start position up to end position. The character at end position is not included.
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truncate | Truncates subject to a new length .
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